v3.25.4
Share-Based Compensation (Restricted Share Activity) (Details) - Restricted Stock [Member]
shares in Millions
12 Months Ended
Dec. 31, 2025
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]  
Nonvested at beginning of period | shares 4
Granted | shares 3
Vested | shares (2)
Nonvested at end of period | shares 5
Nonvested at beginning of period, Weighted-Average Grant Date Fair Value per Share | $ / shares $ 489
Weighted-average grant date fair value per share | $ / shares 421
Vested, Weighted Average Grant Date Fair Value per share | $ / shares 503
Nonvested at end of period, Weighted-Average Grant Date Fair Value per Share | $ / shares $ 441